[root@Baikal-T1 ~]# uname -a
Linux Baikal-T1 4.4.100-bfk3-def-alt6 #1 SMP Mon Nov 19 20:08:22 UTC 2018 mips GNU/Linux
[root@Baikal-T1 ~]# grep -H .  /proc/sys/net/ipv4/conf/*/rp_filter
/proc/sys/net/ipv4/conf/all/rp_filter:0
/proc/sys/net/ipv4/conf/default/rp_filter:1
/proc/sys/net/ipv4/conf/eth0/rp_filter:1
/proc/sys/net/ipv4/conf/eth1/rp_filter:1
/proc/sys/net/ipv4/conf/eth2/rp_filter:1
/proc/sys/net/ipv4/conf/lo/rp_filter:0
/proc/sys/net/ipv4/conf/sit0/rp_filter:1
[root@Baikal-T1 ~]# grep -H . /proc/sys/net/ipv4/conf/*/force_igmp_version
/proc/sys/net/ipv4/conf/all/force_igmp_version:0
/proc/sys/net/ipv4/conf/default/force_igmp_version:0
/proc/sys/net/ipv4/conf/eth0/force_igmp_version:0
/proc/sys/net/ipv4/conf/eth1/force_igmp_version:0
/proc/sys/net/ipv4/conf/eth2/force_igmp_version:0
/proc/sys/net/ipv4/conf/lo/force_igmp_version:0
/proc/sys/net/ipv4/conf/sit0/force_igmp_version:0
[root@Baikal-T1 ~]# cat /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
1
[root@Baikal-T1 ~]# cat /proc/net/igmp
Idx	Device    : Count Querier	Group    Users Timer	Reporter
1	lo        :     1      V3
				010000E0     1 0:00000000		0
2	eth0      :     1      V3
				010000E0     1 0:00000000		0
3	eth1      :     4      V2
				030101E0     1 0:00000000		1
				020101E0     1 0:00000000		1
				010101E0     1 0:00000000		1
				010000E0     1 0:00000000		0
4	eth2      :     1      V3
				010000E0     1 0:00000000		0
[root@Baikal-T1 ~]# cat /proc/net/dev_mcast
4    eth2            1     0     333300000001
4    eth2            1     0     01005e000001
4    eth2            1     0     3333ff4a7bee
3    eth1            1     0     333300000001
3    eth1            1     0     01005e000001
3    eth1            1     0     3333ff4a7aee
3    eth1            1     0     01005e010101
3    eth1            1     0     01005e010102
3    eth1            1     0     01005e010103
2    eth0            1     0     333300000001
2    eth0            1     0     01005e000001